From: Damien Le Moal Date: Sun, 20 Feb 2022 03:17:59 +0000 (+0900) Subject: scsi: pm8001: Fix task leak in pm8001_send_abort_all() X-Git-Tag: baikal/mips/sdk6.1~6161^2~107 X-Git-Url: https://git.baikalelectronics.ru/sdk/?a=commitdiff_plain;h=c27295ac353669b1f0465f5235a2d5e6c8dc9946;p=kernel.git scsi: pm8001: Fix task leak in pm8001_send_abort_all() In pm8001_send_abort_all(), make sure to free the allocated sas task if pm8001_tag_alloc() or pm8001_mpi_build_cmd() fail. Link: https://lore.kernel.org/r/20220220031810.738362-21-damien.lemoal@opensource.wdc.com Reviewed-by: John Garry Signed-off-by: Damien Le Moal Signed-off-by: Martin K. Petersen --- diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index 6f9ee77cc5766..defac9855d9e2 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -1764,7 +1764,6 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, } task = sas_alloc_slow_task(GFP_ATOMIC); - if (!task) { pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n"); return; @@ -1773,8 +1772,10 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, task->task_done = pm8001_task_done; res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); - if (res) + if (res) { + sas_free_task(task); return; + } ccb = &pm8001_ha->ccb_info[ccb_tag]; ccb->device = pm8001_ha_dev; @@ -1791,8 +1792,10 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha, ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, sizeof(task_abort), 0); - if (ret) + if (ret) { + sas_free_task(task); pm8001_tag_free(pm8001_ha, ccb_tag); + } }